Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
11th August 2007
- 1The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
- 2Inequalities on Graphs3 marks
Does the point (5, 3) satisfy y > 2x - 8?
- 3Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 20. Work out y when x = 5.
- 4Congruent Triangles2 marks
Two triangles are known to be congruent because both have a right angle, the same hypotenuse length and one equal leg. Which congruence condition is this?
- 5Conditional Probability3 marks
24 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
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